Locality type: | Occurrence |
Classification |
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Species: | Opal var: Opal-AN |
Formula: | SiO2 · nH2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Opal-AN data |
Locality Data: | Click here to view Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 976941 |
Long-form Identifier: | 1:3:976941:0 |
GUID (UUID V4): | 9b266afe-cd81-4f0b-beae-bea95d86691e |
Nearest other occurrences of Opal-AN |
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3.7km (2.3 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
10.4km (6.4 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
10.6km (6.6 miles) | ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA |
11.3km (7.0 miles) | ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA |
11.7km (7.3 miles) | ⓘSky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA |
12.6km (7.9 miles) | ⓘRidgefield, Fairfield County, Connecticut, USA |
12.8km (8.0 miles) | ⓘBiermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA |
14.9km (9.2 miles) | ⓘFillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
23.2km (14.4 miles) | ⓘRoxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
24.6km (15.3 miles) | ⓘBedford, Westchester County, New York, USA |
References |
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Reference Search (possible matching items) |
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| | Journal (issue) | ...................................35 Offlclal State Gems by Ernest E. Fairbanks ......................metal-bond wheels are held on a heavy steel ring by an extremely hard. heat-treated nickel alloy plating...should be 25mm or more. If you want your stone to have an appearance like those pictured here, the sphere should...reverse the polishing instrutions. CROWN 1. Start with an 80 index gear. Cut the table to 50 percent of the...to produce all shapes of cabochons. Startin1 with an efficient diamond trim uw, then chan1es in seconds |
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